JBoss resource-ref element child elements
The JBoss resource-ref element consists of the following child elements: A res-ref-name element that must match the res-ref-name of a corresponding resource-ref element from the ejb-jar.xml or web.xml standard descriptors An optional res-type element that specifies the fully qualified class name of the resource manager connection factory A jndi-name element that specifies the JNDI name of the resource factory as deployed in JBoss A res-url element that specifies the URL string in the case of a resource-ref of type java.net.URL